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a fisherman reels in 120 m of line while landing a fish using a constant forward pull of 250 n how much work does the
as a technician in a large pharmaceutical research firm you need to produce 200 of 100 potassium phosphate solution of
a box is sliding down an incline tilted at an angle of 14 degrees above horizontal the box is sliding down the incline
the car lift in a gas station operates with an air pressure of 2000 kpa the piston of the car lift has a diameter of
a block of inertia 2 kg is launched from a spring onto a frictionless surface the velocity it has upon leaving the
a gas vessel is attached to an openend manometer containing a nonvolatile liquid of density 0791gml the difference in
draw a catalytic cycle for the synthesis of propionic acid from ethanol using a rhodium carbonyl catalyst in each step
a car is parked on a cliff overlooking the ocean on an incline that makes an angle of 170deg below the horizontal the
a man lost in a maze makes three consecutive displacements so that at the end of his travel he is right back where he
a rowboat crosses a river with a velocity of 367 mih at an angle 625deg north of west relative to the water the river
a solution is prepared by mixing 750 ml of 0020 m bacl2 and 125 ml of 0040 m k2so4 what are the concentrations of
the conversion of methane to ethane is done by reacting the methane with oxygen and it produces water as well as ethane
predict whether the following will result in an increase or decrease in entropy and justify your reasoning1
calculate the terminal velocity for a pollen grain falling through the air using the drag force equation assume the
at 22 degrees celsius the vapor pressure of pure acetone c3h6o is 1892 torr and of pure diethyl ether c4h10o is 4518
the length of the b string on a certain guitar is 620 cm it vibrates at a fundamental frequency of 2460 hzif the linear
determine whether a or b is the correct formula and then use the correct formula to estimate the density of a liquid
the solubility of slaked lime caoh2 in water is 0185g100ml what volume of 000400 m hcl is needed to neutralize 145ml of
a suitcase full of gold sits at the bottom of a lake a recovery diver finds that as he lifts the suitcase to the
on a highly polished essentially frictionless lunch counter a 0500 kg submarine sandwich moving 300 ms to the left
a total 75microm of light with a wavelength of 376nm strikes a platinum plate for platinum the woek function 68eva
a 1000 m uniform beam is hinged to a vertical wall and held horizontally by a 500 m cable attached to the wall 400 m
two people carry a heavy electric motor by placing it on a light board 155 m long one person lifts at one end with a
calculate the ph of a solution that contains 0050 m formic acid and 010 m sodium
a small rubber wheel is used to drive a large pottery wheel and they are mounted so that their circular edges touch the